
@preamble{
       "\def\ocirc#1{\ifmmode\setbox0=\hbox{$#1$}\dimen0=\ht0
	       \advance\dimen0 by1pt\rlap{\hbox to\wd0{\hss\raise\dimen0
		       \hbox{\hskip.2em$\scriptscriptstyle\circ$}\hss}}#1\else
		           {\accent"17 #1}\fi} "
			   }
       @incollection {MR1870153,
	       AUTHOR = {Franc{\ocirc{u}}, Jan and Krej{\v{c}}{\'{\i}}, Pavel},
	            TITLE = {Homogenization of scalar wave equation with hysteresis
			              operator},
       }
       		

